Upper torso muscle developer



FIG. 1 is a front view of the design;

FIG. 2 is a back view of the design;

FIG. 3 is a left side view of the design;

FIG. 4 is a right side view of the design;

FIG. 5 is a top plan view of the design;

FIG. 6 is a bottom plan view of the design;

FIG. 7 is a front view of another embodiment of the design;

FIG. 8 is a back side view of the design of FIG. 7;

FIG. 9 is a left side view of the design of FIG. 7;

FIG. 10 is a right side view of the design of FIG. 7;

FIG. 11 is a top plan view of the design of FIG. 7; and,

FIG. 12 is a bottom view of the design of FIG. 7. 

I claim the ornamental design for upper torso muscle developer, as shown. 